20191411233

素因数分解:

$3^2\times 7^2\times {\mathrm{45785513}}^1$

素因数の和:45785533

約数の個数: 18

約数和(自身を含む): 33927065874

約数和(自身を除く): 13735654641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45785513, 137356539, 320498591, 412069617, 961495773, 2243490137, 2884487319, 6730470411, 20191411233]

約数ペア:

[(1, 20191411233), (3, 6730470411), (7, 2884487319), (9, 2243490137), (21, 961495773), (49, 412069617), (63, 320498591), (147, 137356539), (441, 45785513)]